Step by Step Guide for IMAP to Office 365 Migration

  1. To migrate single / multiple mailboxes, grant access rights to one service account in your Office 365. You can do this by setting impersonation rights to that account.

    Click here to know the steps to set Impersonation rights in Office 365

    a. Grant one service account with impersonation rights and migrate every mailboxes using this account. You need not impersonate all the users.
    b. Ensure that the impersonated user account has access permission to each associated Mailbox (Users).
    c. For Office 365 (source) to Office 365 (destination) migration, set impersonation rights to one of the service account on both Source and destination servers.

  2. a. Download the EdbMails setup and install it on your computer. Download

    b. Double click the EdbMails setup (EdbMailsSetup.exe) to start the installation process.

    c. On the Welcome page, click 'Next >' to proceed. And to complete the installation, follow the instructions that appear on the installation wizard accordingly.


  3. Click the 'Start Your Free Trial' button

    Demo login EdbMails

  4. Select the Export Method as 'IMAP, POP3 Email Migration' and click 'Continue'

    IMAP Migration

  5. a. Select the 'Single server', select the 'Connect to IMAP', select the 'Host Name", Enter the credentials and click 'Login'


    b. Select all mailboxes that you wish to migrate. You can also select the folders from the mailboxes that you wish to exclude during the migration, in the right pane. Afterwards, select 'Migrate to Office 365' button.

    IMAP Migrate to Office 365

    c. Enter the Office 365 account credentials to connect to your Destination Office 365 tenant and click 'Login to Office 365'. Before connecting to Office 365 make sure to set the impersonation rights to Office 365 user.

    Click here to know how to set the impersonation rights.

    IMAP to Office 365

    e. After successful login to destination Office 365 account, Select the action as 'migrate' and select Office 365 Mailbox [Target] as 'Select the Target Mailbox from existing list' and click 'Migrate IMAP to Office 365'

    Migrate IMAP to Office 365

    f. Select the target mailbox from the list and click 'Continue'

    Office 365 Mailboxes list

    g. During the migration operation, detailed progress will be displayed as shown in the screenshot below.

    IMAP Migration Progress

    h. Once the migration operation is completed, the message 'Migration operation has been completed.' will be prompted.

Video Tutorial for IMAP to Office 365 Migration